public static ISingle <R> Zip <T1, T2, T3, T4, R>(
ISingle <T1> s1, ISingle <T2> s2,
ISingle <T3> s3, ISingle <T4> s4,
Func <T1, T2, T3, T4, R> zipper)
{
return(Zip(
new ISingle <object>[] {
(ISingle <object>)s1, (ISingle <object>)s2,
(ISingle <object>)s3, (ISingle <object>)s4,
},
LambdaHelper.ToFuncN(zipper)));
}
static void Main(string[] args)
{
var result = LambdaHelper.ModifyName("SMEE", name =>
{
string newName = string.Empty;
newName = "上微";
return(newName);
});
Console.WriteLine(result);
Console.Read();
}
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <APIGatewayProxyResponse> LambdaFunctionHandler(APIGatewayProxyRequest request, ILambdaContext context)
{
Debug.Untested();
Debug.AssertValid(request);
Debug.AssertValid(context);
return(await LambdaHelper.ExecuteGetAsync(request, async (IDataStores dataStores) => {
Debug.AssertValid(dataStores);
return await GetCountries(dataStores, request);
}));
}
private SA_Lambda GetLambdaFunctionFromZipFileName(string fileName, out bool exist)
{
LambdaHelper helper = new LambdaHelper(
GlobalVariables.Enviroment,
GlobalVariables.Region,
GlobalVariables.Color);
var functionName = FormatLambdaFunctionname(fileName);
var lambda = lambdaHelper.GetFromFunctionName(functionName);
exist = (lambda != null);
return(lambda);
}
public List <T> Filter <T, TResult>(Expression <Func <T, bool> > predicate, Expression <Func <T, TResult> > orderBy, out int total, int index = 0, int size = 50, bool isAsc = true) where T : class
{
string sql = new SQLQuery().Select(String.Join(",", typeof(T).GetEntityColumnNames()))
.From($"{this.mDatabaseName}{typeof(T).GetEntityTableName()}")
.Where(String.Join(" ", typeof(T).GetEntityColumnNames(LambdaHelper.GetConditions(predicate))))
.OrderBy(typeof(T).GetEntityColumnName(LambdaHelper.GetColumn(orderBy).FirstOrDefault(), true))
.Skip((index - 1) * size)
.Take(size)
.Qenerate();
total = 500;
return(this.DBContext.SqlReader(sql).ToList <T>());
}
private static Expression <Func <LogEntry, bool> > And(this Expression <Func <LogEntry, bool> > lhs, Expression <Func <LogEntry, bool> > rhs)
{
if (rhs is null)
{
return(lhs);
}
var logEntryParameter = Expression.Parameter(typeof(LogEntry), "logEntry");
var body = Expression.And(LambdaHelper.RebindBody(lhs, logEntryParameter), LambdaHelper.RebindBody(rhs, logEntryParameter));
return(Expression.Lambda <Func <LogEntry, bool> >(body, logEntryParameter));
}
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <APIGatewayProxyResponse> handleRequest(APIGatewayProxyRequest request, ILambdaContext context)
{
Debug.Untested();
Debug.AssertValid(request);
Debug.AssertValid(request.Headers);
Debug.AssertValid(context);
return(await LambdaHelper.ExecuteGetAsync(request, async (IDataStores dataStores) => {
Debug.AssertValid(dataStores);
return await GetUserDetails(dataStores, request.Headers);
}));
}
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <APIGatewayProxyResponse> LambdaFunctionHandler(APIGatewayProxyRequest request, ILambdaContext context)
{
Debug.Untested();
Debug.AssertValid(request);
Debug.AssertValid(context);
return(await LambdaHelper.ExecuteAsync(request, APIHelper.REQUEST_METHOD_POST, async (IDataStores dataStores, JObject requestBody) => {
Debug.AssertValid(dataStores);
Debug.AssertValid(requestBody);
return await CreateAccount(dataStores, requestBody);
}));
}
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <APIGatewayProxyResponse> handleRequest(APIGatewayProxyRequest request, ILambdaContext context)
{
Debug.Untested();
Debug.AssertValid(request);
Debug.AssertValid(context);
return(await LambdaHelper.ExecuteAsync(request, APIHelper.REQUEST_METHOD_PUT, async (IDataStores dataStores, JObject requestBody) => {
Debug.AssertValid(dataStores);
Debug.AssertValid(requestBody);
return await ResendEmailVerification(dataStores, requestBody);
}));
}
protected IQueryable <TEntity> FindAll(Expression <Func <TEntity, bool> > pression)
{
var property = typeof(TEntity).GetProperty(CLIENT_ID);
IQueryable <TEntity> query = _repository.FindAll(pression);
if (property != null && AllowedGrant == OAuthGrant.Client)
{
query = query.Where(LambdaHelper.BuildQuery <TEntity>("ClientId == " + ClientId));
}
return(query);
}
public List <T1> CrossJoin <T1, T2, TCross, TResult>(Expression <Func <T1, TCross> > crossApply, Expression <Func <T1, bool> > predicate, Expression <Func <T1, TResult> > orderBy, out int total, int index = 0, int size = 50, bool isAsc = true) where T1 : class
{
string sql = new SQLQuery().Select(String.Join(",", typeof(T1).GetEntityColumnNames()))
.From($"{this.mDatabaseName}{typeof(T1).GetEntityTableName()}")
.Cross($"{typeof(T2).GetEntityTableName()}({String.Join(",", typeof(T1).GetEntityColumnNames(LambdaHelper.GetColumn(crossApply)))})")
.Where(String.Join(" ", typeof(T1).GetEntityColumnNames(LambdaHelper.GetConditions(predicate))))
.OrderBy(typeof(T1).GetEntityColumnName(LambdaHelper.GetColumn(orderBy).FirstOrDefault(), true))
.Skip((index - 1) * size)
.Take(size)
.Qenerate();
total = this.Count <T1>(predicate);
return(this.DBContext.SqlReader(sql).ToList <T1>());
}
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <APIGatewayProxyResponse> handleRequest(APIGatewayProxyRequest request, ILambdaContext context)
{
Debug.Untested();
Debug.AssertValid(request);
Debug.AssertValid(request.Headers);
Debug.AssertValid(context);
return(await LambdaHelper.ExecuteAsync(request, APIHelper.REQUEST_METHOD_PUT, async (IDataStores dataStores, JObject requestBody) => {
Debug.AssertValid(dataStores);
Debug.AssertValid(requestBody);
return await SetUserAllowNonEssentialEmails(dataStores, request.Headers, requestBody);
}));
}
public bool Validate(CustomValidationService service)
{
ValidationErrors = new SerializableDictionary <string, string>();
if (string.IsNullOrWhiteSpace(ExternalServiceId))
{
ValidationErrors.Add(LambdaHelper <Service> .GetPropertyName(x => x.ExternalServiceId), "Service.ExternalServiceId is a mandatory field.");
}
if (Priority == null || Priority < 1)
{
ValidationErrors.Add(LambdaHelper <Service> .GetPropertyName(x => x.Priority), "Service.Priority is a mandatory field.");
}
if (ProvisionSequence == null || ProvisionSequence < 1)
{
ValidationErrors.Add(LambdaHelper <Service> .GetPropertyName(x => x.ProvisionSequence), "Service.ProvisionSequence is a mandatory field and must be greater then 0.");
}
if (ProvisionDate == null || ProvisionDate == DateTime.MinValue)
{
ValidationErrors.Add(LambdaHelper <Service> .GetPropertyName(x => x.ProvisionDate), "Service.ProvisionDate is a mandatory field.");
}
//Note: Validation the child class as well.
if (Locations == null)
{
ValidationErrors.Add(LambdaHelper <Service> .GetPropertyName(x => x.Locations), "Service.Locations is a mandatory field.");
}
else
{
foreach (var location in Locations)
{
if (location.Validate(service))
{
foreach (var validationError in location.ValidationErrors)
{
if (!ValidationErrors.ContainsKey(validationError.Key))
{
ValidationErrors.Add(validationError.Key, validationError.Value);
}
}
}
}
}
return(ValidationErrors.Count > 0);
}
private static IOrderedQueryable <T> OrderingHelper <T>(IQueryable <T> source, string propertyName, bool descending, bool anotherLevel)
{
var param = Expression.Parameter(typeof(T));
var property = Expression.Property(param, propertyName);
var sort = LambdaHelper <T> .GetPropertyLambdaExp(propertyName);
var call = Expression.Call(typeof(Queryable),
(!anotherLevel ? "OrderBy" : "ThenBy") + (descending ? "Descending" : string.Empty),
new[] { typeof(T), property.Type },
source.Expression,
Expression.Quote(sort));
var query = (IOrderedQueryable <T>)source.Provider.CreateQuery <T>(call);
return(query);
}
/// <summary>
/// 获取筛选 Queryable
/// </summary>
/// <param name="filter"></param>
/// <returns></returns>
public virtual IQueryable <TEntity> QueryableFilterEntities(Dictionary <string, string> filter = null, bool isDelete = false)
{
var query = Entities(isDelete);
if (filter != null)
{
var tmpExpression = LambdaHelper.True <TEntity>();
foreach (var keyValue in filter)
{
tmpExpression = tmpExpression.And <TEntity>(LambdaHelper.GetContains <TEntity>(keyValue.Key, keyValue.Value));
}
query = query.Where(tmpExpression);
}
return(query);
}
public void TestGetValue_Method()
{
//1级返回值
Expression <Func <LambdaModelTest, bool> > expression = t => t.Name.Contains("A");
Assert.AreEqual("A", LambdaHelper.GetValue(expression));
//二级返回值
expression = t => t.A.Address.Contains("B");
Assert.AreEqual("B", LambdaHelper.GetValue(expression));
//三级返回值
expression = t => t.A.B.Name.StartsWith("C");
Assert.AreEqual("C", LambdaHelper.GetValue(expression));
}
public SerializableDictionary <string, string> Validate(tUserData userData)
{
var validationErrors = new SerializableDictionary <string, string>();
if (userData == null)
{
validationErrors.Add(LambdaHelper <tUserData> .GetPropertyName(x => x), "UserData is a mandatory field.");
}
else
{
if (userData.ShData == null)
{
validationErrors.Add(LambdaHelper <tShData> .GetPropertyName(x => x), "ShData is a mandatory field.");
}
else
{
if (userData.ShData.RepositoryData == null)
{
validationErrors.Add(LambdaHelper <tTransparentData> .GetPropertyName(x => x), "RepositoryData is a mandatory field.");
}
else
{
if (string.IsNullOrWhiteSpace(userData.ShData.RepositoryData.ServiceIndication))
{
validationErrors.Add("ServiceIndication", "ServiceIndication is a mandatory field.");
}
if (userData.ShData.RepositoryData.ServiceData == null)
{
ItemChoiceType gggg = userData.ShData.RepositoryData.ServiceData.Item.ItemElementName;
validationErrors.Add(LambdaHelper <tServiceData> .GetPropertyName(x => x), "ServiceData is a mandatory field.");
}
else
{
if (userData.ShData.RepositoryData.ServiceData.Item == null)
{
validationErrors.Add(LambdaHelper <tMetaSwitchData> .GetPropertyName(x => x), "MetaSwitchData is a mandatory field.");
}
else
{
}
}
}
}
}
return(validationErrors);
}
public virtual IQueryable <TEntity> Join(IQueryable <TEntity> query, List <Expression <Func <TEntity, object> > > associations)
{
associations = associations != null && associations.Count() > 0 ?
associations : LambdaHelper <TEntity> .ToFuncProperty(Profile.Associations.ToArray());
if (query != null && associations != null)
{
foreach (Expression <Func <TEntity, object> > association in associations)
{
query = query.Include(association);
//query = query.Include(association).AsNoTracking();
}
}
return(query);
}
public static ISingle <R> Zip <T1, T2, T3, T4, T5, T6, T7, T8, R>(
ISingle <T1> s1, ISingle <T2> s2,
ISingle <T3> s3, ISingle <T4> s4,
ISingle <T5> s5, ISingle <T6> s6,
ISingle <T7> s7, ISingle <T8> s8,
Func <T1, T2, T3, T4, T5, T6, T7, T8, R> zipper)
{
return(Zip(
new ISingle <object>[] {
(ISingle <object>)s1, (ISingle <object>)s2,
(ISingle <object>)s3, (ISingle <object>)s4,
(ISingle <object>)s5, (ISingle <object>)s6,
(ISingle <object>)s7, (ISingle <object>)s8
},
LambdaHelper.ToFuncN(zipper)));
}
public PagedResultDto <ReagentInfoDto> GetReagentInfosPage(GetReagentInfosInput input)
{
//帅选
var where = LambdaHelper.True <TB_ReagentInfo>();
if (input.Filters != null && input.Filters.Count > 0)
{
foreach (var item in input.Filters)
{
if (item.ColumName == "ReagentName")
{
item.ColumValue = item.ColumValue.ToUpper();
}
where = where.And(LambdaHelper.GetContains <TB_ReagentInfo>(item.ColumName, item.ColumValue));
}
}
var query = repository.GetAll().Where(where);
//排序
if (!string.IsNullOrEmpty(input.Sorting))
{
if (input.Sorting.Contains("-"))
{
var sort = input.Sorting.Split("-");
query = sort[1] == "desc" ? query.OrderByDescending(sort[0]) : query.OrderBy(sort[0]);
}
else
{
query = query.OrderBy(input.Sorting);
}
}
else
{
query = query.OrderBy(t => t.ID);
}
//query = !string.IsNullOrEmpty(input.Sorting) ? query.OrderBy(input.Sorting) : query.OrderBy(t => t.ID);
//获取总数
var totalCount = query.Include(a => a.ID).Count();
//默认的分页方式
//var reagentList = query.Skip(input.SkipCount).Take(input.MaxResultCount).ToList();
//ABP提供了扩展方法PageBy分页方式
var reagentList = query.PageBy(input).ToList();
var result = new PagedResultDto <ReagentInfoDto>(totalCount, ObjectMapper.Map <List <ReagentInfoDto> >(reagentList));
return(result);
}
public virtual IQueryable <TEntity> Join(IQueryable <TEntity> query, List <Expression <Func <TEntity, object> > > associations)
{
associations = associations != null && associations.Count() > 0 ?
associations : LambdaHelper <TEntity> .ToFuncProperty(Profile.Associations.ToArray());
if (query != null && associations != null)
{
associations.ForEach(x => { query = query.Fetch(x); });
//foreach (Expression<Func<TEntity, object>> association in associations)
//{
// query = query.Fetch(association);
//}
}
return(query);
}
/// <summary>
/// 首次加载、列表操作、翻页、排序、刷新、搜索查询、Ajax请求树
/// </summary>
/// <param name="pagingModel"></param>
/// <returns></returns>
public override ActionResult Index([ModelBinder(typeof(PagingModelBinder))] PagingModel pagingModel)
{
CategoriesViewModel cvm = new CategoriesViewModel();
ViewBag.Sort = pagingModel.SortOptions;
var parentId = Request.Params["parentId"];
var parentCode = Request.Params["parentCode"];
if (String.IsNullOrWhiteSpace(parentId))
{
cvm.CategoriesTree = model.GetList(p => p.ParentId == null);
}
else
{
Int32 pId = Int32.Parse(parentId);
cvm.CategoriesTree = model.GetList(p => p.ParentId == pId);
}
var expr = LambdaHelper.BuildLambdasOr <Category>(pagingModel.QueryFields, QueryMethods.Contains, pagingModel.Query);
if (String.IsNullOrWhiteSpace(parentCode))
{
cvm.CategoriesList = model.GetPagedList(pagingModel, expr);
}
else
{
var predicate = PredicateBuilder.True <Category>();
predicate = predicate.And(f => f.Code.StartsWith(parentCode)).And(expr);
cvm.CategoriesList = model.GetPagedList(pagingModel, predicate);
}
if (Request.IsAjaxRequest())
{
if (Request.HttpMethod == "GET")
{
return(PartialView("_Index", cvm));
}
else
{
return(Json(new SuccessActionResult("Ok", cvm.CategoriesTree)));
}
}
return(View("Index", cvm));
}
private static Expression <Func <LogEntry, bool> > And(this Expression <Func <Exception, bool> > lhs, Expression <Func <LogEntry, bool> > rhs)
{
var logEntryParameter = Expression.Parameter(typeof(LogEntry), "logEntry");
var logEntryException = Expression.Property(logEntryParameter, nameof(LogEntry.Exception));
Expression body;
if (rhs is null)
{
body = LambdaHelper.RebindBody(lhs, logEntryException);
}
else
{
body = Expression.And(LambdaHelper.RebindBody(lhs, logEntryException), LambdaHelper.RebindBody(rhs, logEntryParameter));
}
return(Expression.Lambda <Func <LogEntry, bool> >(body, logEntryParameter));
}
public override ActionResult Query([ModelBinder(typeof(PagingModelBinder))] PagingModel pagingModel)
{
Response.Cache.SetOmitVaryStar(true);
SelectProductsViewModel pvm = new SelectProductsViewModel();
Category categoryModel = new Category();
ViewBag.Sort = pagingModel.SortOptions;
ViewBag.Query = pagingModel.Query;
pagingModel.PageSize = 10;
var parentId = Request.Params["parentId"];
var parentCode = Request.Params["parentCode"];
if (String.IsNullOrWhiteSpace(parentId))
{
pvm.CategoriesTree = categoryModel.GetList(p => p.ParentId == null);
}
else
{
Int32 pId = Int32.Parse(parentId);
pvm.CategoriesTree = categoryModel.GetList(p => p.ParentId == pId);
}
var expr = LambdaHelper.BuildLambdasOr <Product>(pagingModel.QueryFields, QueryMethods.Contains, pagingModel.Query);
if (String.IsNullOrWhiteSpace(parentCode))
{
pvm.ProductsList = model.GetPagedList(pagingModel, expr);
}
else
{
var predicate = PredicateBuilder.True <Product>();
predicate = predicate.And(f => f.Category.Code.StartsWith(parentCode)).And(expr);
pvm.ProductsList = model.GetPagedList(pagingModel, predicate);
}
if (Request.HttpMethod == "GET")
{
return(PartialView("_Query", pvm));
}
//默认是PUT
return(PartialView("Query", pvm));
}
//public void DeleteSubscriber(string dn)
//{
// //When using Sh-Update to delete an object, you must specify a sequence number but it can be any
// //arbitrary non-zero value.
// //The only element that can be present in the <MetaSwitchData> or <MetaSphereData> element is
// //the service indication with Action="delete". Any other elements will cause an error.
// var userData = new MetaSphere.tUserData
// {
// ShData = new[]
// {
// new tTransparentData
// {
// ServiceIndication = "Msph_Subscriber_BaseInformation",
// SequenceNumber = 1, //0 indicates a new subscriber so setting to 1 to avoid confusion. When deleting any sequence number outside of 0 can be used.
// ServiceData = new tServiceData
// {
// Item = new tMetaSphereData
// {
// ItemElementName = MetaSphere.ItemChoiceType1.Msph_Subscriber_BaseInformation,
// Item = new tMsph_Subscriber_BaseInformation
// {
// PrimaryPhoneNumber = dn,
// Action = "delete",
// }
// }
// }
// }
// }
// };
// // Send it in as an Sh-Update request, and make sure it succeeded.
// MetaSphere.tExtendedResult extendedResult;
// ShUpdate(dn, userData, out extendedResult);
//}
public SerializableDictionary <string, string> Validate(tUserData userData)
{
//update.UserData.ShData[0].ServiceData.Item.Item
var validationErrors = new SerializableDictionary <string, string>();
if (userData == null)
{
validationErrors.Add(LambdaHelper <tUserData> .GetPropertyName(x => x), "UserData is a mandatory field.");
}
else
{
if (userData.ShData == null)
{
validationErrors.Add(LambdaHelper <tTransparentData> .GetPropertyName(x => x),
"TransparentData is a mandatory field.");
}
else
{
if (string.IsNullOrWhiteSpace(userData.ShData[0].ServiceIndication))
{
validationErrors.Add("ServiceIndication", "ServiceIndication is a mandatory field.");
}
if (userData.ShData[0].ServiceData == null)
{
validationErrors.Add(LambdaHelper <tServiceData> .GetPropertyName(x => x),
"ServiceData is a mandatory field.");
}
else
{
if (userData.ShData[0].ServiceData.Item == null)
{
validationErrors.Add(LambdaHelper <tMetaSphereData> .GetPropertyName(x => x),
"MetaSphereData is a mandatory field.");
}
else
{
}
}
}
}
return(validationErrors);
}
/// <summary>
/// 验证谓词，无效时返回null
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="predicate">谓词</param>
/// <returns></returns>
public static Expression <Func <T, bool> > ValidatePredicate <T>(Expression <Func <T, bool> > predicate)
{
predicate.CheckNull("predicate");
if (LambdaHelper.GetCriteriaCount(predicate) > 1)
{
throw new InvalidOperationException(string.Format("仅允许添加一个条件，条件：{0}", predicate));
}
if (predicate.Value() == null)
{
return(null);
}
if (string.IsNullOrWhiteSpace(predicate.Value().ToString()))
{
return(null);
}
return(predicate);
}
public ValidatorItem(Expression <Func <T, object> > memberLambda, FrameworkElement control)
{
_kind = ValidatorItemKind.ViewModelProperty;
_memberLambda = memberLambda;
_property_name = LambdaHelper.GetMemberName(memberLambda.Body);
if (control is FormField)
{
_control = null;
_formfield = (FormField)control;
}
else
{
// FindParent returns null if not found.
_control = control;
_formfield = VenturaVisualTreeHelper.FindParent <FormField>(control);
}
}
public async Task <List <GeneInfoDto> > GetGeneInfosFilter(List <FilterInputDto> input)
{
//帅选
var where = LambdaHelper.True <TB_GeneInfo>();
if (input != null && input.Count > 0)
{
foreach (var item in input)
{
if (item.ColumName == "GeneName")
{
item.ColumValue = item.ColumValue.ToUpper();
}
where = where.And(LambdaHelper.CreateEqual <TB_GeneInfo>(item.ColumName, item.ColumValue));
}
}
var geneInfos = await repository.GetAllListAsync(where);
return(ObjectMapper.Map <List <GeneInfoDto> >(geneInfos));
}
public void TestGetValue_Boolean()
{
//空值返回null
Assert.AreEqual(null, LambdaHelper.GetValue(null));
//一级返回值
Expression <Func <LambdaModelTest, bool> > expression = test => test.Name == "A";
Assert.AreEqual("A", LambdaHelper.GetValue(expression));
//二级返回值
Expression <Func <LambdaModelTest, bool> > expression2 = test => test.A.Integer == 1;
Assert.AreEqual(1, LambdaHelper.GetValue(expression2));
//三级返回值
Expression <Func <LambdaModelTest, bool> > expression3 = test => test.A.B.Name == "B";
Assert.AreEqual("B", LambdaHelper.GetValue(expression3));
}
public void TestGetParameter()
{
//空值返回null
Assert.AreEqual(null, LambdaHelper.GetParameter(null));
//一级返回值
Expression <Func <LambdaTest1, object> > expression = test => test.Name == "A";
Assert.AreEqual("test", LambdaHelper.GetParameter(expression).ToString());
//二级返回值
Expression <Func <LambdaTest1, object> > expression2 = test => test.A.Integer == 1;
Assert.AreEqual("test", LambdaHelper.GetParameter(expression2).ToString());
//三级返回值
Expression <Func <LambdaTest1, object> > expression3 = test => test.A.B.Name == "B";
Assert.AreEqual("test", LambdaHelper.GetParameter(expression3).ToString());
}
